-Under certain circumstances, a Turbo NAS with a firmware version prior to QTS 4.1.0 Build 0504 may experience an unsuccessful firmware update.

Solution:

-Applicable Turbo NAS firmware versions: 3.8.3 ~ 4.1.0 Build 0421

Please note: Please upgrade your Turbo NAS firmware first if it is older than Version 3.8.3, or contact QNAP technical support for further assistance.

-If you have experienced a failed Turbo NAS firmware upgrade whilst updating to QTS 4.1.0 Build 0504 and onward: first install the Qfix patch manually. After the Qfix installation, DO NOT restart the Turbo NAS, and proceed to update the firmware directly either via online live update or manual update.

-Note: If you are still having issues with updating firmware, please contact QNAP Technical Support at http://helpdesk.qnap.com/

Download:

-The Qfix patch can be downloaded from:

http://download.qnap.com/Storage/Qfix/Qfix_4.0.7.1_all.zip

[Limitation]

-Cannot playback program in TV Station when using Chrome or Firefox in Ubuntu-32bit.

-Unable to use QUSBCam live view in Firefox.(Support Chrome only)

-Sometimes it will fail to backup when using Windows Server Backup in Windows Server 2012.

-Cannot use USB3.0 for Kworld 399U in TS-669, TS-870 and TS-879.

-Cannot extend ESXi 5.5 in file-based LUN.

-Unable to create files after extended ESXi 5.5 in Block-based LUN.

-Unable to join Additional Domain Controller to Windows 2012/R2 ADDC.

-Unable to playback music via USB Speaker in Music Station when connected via USB 3.0.